ballistarium
Could not find ballistario in Logeion dictionaries.
ballistario Noun: neuter dative singular, Noun: neuter ablative singular of ballistarium
ballistario Noun: masculine ablative singular, Noun: masculine dative singular of ballistarius
ballistārĭum (balist-), ii, n., = ballista, or
- the place where the ballista is worked, Plaut. Poen. 1, 1, 74 (202) (cf. ballista fin.).